Pat the cherries dry with paper towels and set aside.

Generously spray a 8 inch by 8 inch baking pan with cooking spray or brush with oil.

In a small saucepan, combine the chocolates and cook over low heat until most of the chocolate is melted, Stir until the all the chocolate is melted and the mixture is smooth and glossy.

In a mixing bowl, whisk together the eggs, brown sugar, vanilla, starch or flour, baking powder, salt, and maraschino cherry juice. Add the melted chocolate and stir vigorously until the mixture is smooth and starts to thicken. Sir in the walnuts.

Spread the mixture evenly into the prepared pan and press the cherries into the top leaving the tops of the cherries and the stems showing. Refrigerate for 2 hours or until hard. Cut into 20 squares.